METHOD FOR PREPARING COATING OF SUPERIOR CORROSION RESISTANCE WITH 24-KARAT GOLD AND 12-22-KARAT GOLD ALLOY

摘要

PROBLEM TO BE SOLVED: To prevent a nickel dissolution from a substrate used for undercoat material for ornament coating, though being a very small amount.;SOLUTION: A mass production method of an ornament coating with high corrosion resistance, by forming the coating with an electrocasting method and then converting the metal structure by a heat treatment to prevent nickel from dissolving out.;COPYRIGHT: (C)2002,JPO